.login-from {
    width: 30rem;
    height: 20rem;
    background: #eee;
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin:auto;
    box-shadow: 2px 0 5px 2px #666;
}
.login-from header h1 {
    padding: 10px 0;
    
}
.login-from header {
    padding: 10px 0;
    color: #f1f1f1;
    text-shadow: -1px -1px white, 1px 1px #333;
    
}
.login-from form button {
    width: 100%;
}